ES436781A1 - Useful pro-drug forms of theophylline - Google Patents
Useful pro-drug forms of theophyllineInfo
- Publication number
- ES436781A1 ES436781A1 ES436781A ES436781A ES436781A1 ES 436781 A1 ES436781 A1 ES 436781A1 ES 436781 A ES436781 A ES 436781A ES 436781 A ES436781 A ES 436781A ES 436781 A1 ES436781 A1 ES 436781A1
- Authority
- ES
- Spain
- Prior art keywords
- theophylline
- drug forms
- useful pro
- pro
- useful
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired
Links
Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K31/00—Medicinal preparations containing organic active ingredients
- A61K31/33—Heterocyclic compounds
- A61K31/395—Heterocyclic compounds having nitrogen as a ring hetero atom, e.g. guanethidine or rifamycins
- A61K31/495—Heterocyclic compounds having nitrogen as a ring hetero atom, e.g. guanethidine or rifamycins having six-membered rings with two or more nitrogen atoms as the only ring heteroatoms, e.g. piperazine or tetrazines
- A61K31/505—Pyrimidines; Hydrogenated pyrimidines, e.g. trimethoprim
- A61K31/519—Pyrimidines; Hydrogenated pyrimidines, e.g. trimethoprim ortho- or peri-condensed with heterocyclic rings
- A61K31/52—Purines, e.g. adenine
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D473/00—Heterocyclic compounds containing purine ring systems
- C07D473/02—Heterocyclic compounds containing purine ring systems with oxygen, sulphur, or nitrogen atoms directly attached in positions 2 and 6
- C07D473/04—Heterocyclic compounds containing purine ring systems with oxygen, sulphur, or nitrogen atoms directly attached in positions 2 and 6 two oxygen atoms
- C07D473/06—Heterocyclic compounds containing purine ring systems with oxygen, sulphur, or nitrogen atoms directly attached in positions 2 and 6 two oxygen atoms with radicals containing only hydrogen and carbon atoms, attached in position 1 or 3
- C07D473/08—Heterocyclic compounds containing purine ring systems with oxygen, sulphur, or nitrogen atoms directly attached in positions 2 and 6 two oxygen atoms with radicals containing only hydrogen and carbon atoms, attached in position 1 or 3 with methyl radicals in positions 1 and 3, e.g. theophylline
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Health & Medical Sciences (AREA)
- Medicinal Chemistry (AREA)
- Pharmacology & Pharmacy (AREA)
- Epidemiology (AREA)
- Life Sciences & Earth Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
Abstract
There is provided novel and useful pro-drug forms of theophylline having the formula:
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US05/463,092 US3935196A (en) | 1974-04-22 | 1974-04-22 | Useful pro-drug forms of theophylline |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| ES436781A1 true ES436781A1 (en) | 1977-04-16 |
Family
ID=23838827
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| ES436781A Expired ES436781A1 (en) | 1974-04-22 | 1975-04-21 | Useful pro-drug forms of theophylline |
Country Status (20)
| Country | Link |
|---|---|
| US (1) | US3935196A (en) |
| AR (1) | AR205739A1 (en) |
| AT (1) | AT336040B (en) |
| BE (1) | BE827327A (en) |
| DE (1) | DE2513693A1 (en) |
| DK (1) | DK135167B (en) |
| ES (1) | ES436781A1 (en) |
| FI (1) | FI750939A (en) |
| FR (1) | FR2267784A1 (en) |
| GB (1) | GB1490432A (en) |
| GT (1) | GT197536542A (en) |
| HU (1) | HU169554B (en) |
| IL (1) | IL46957A0 (en) |
| NL (1) | NL7503728A (en) |
| NO (1) | NO751063L (en) |
| OA (1) | OA04909A (en) |
| PH (1) | PH10721A (en) |
| PL (1) | PL93798B1 (en) |
| SE (1) | SE7503607L (en) |
| ZA (1) | ZA75753B (en) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4002756A (en) * | 1974-04-22 | 1977-01-11 | Interx Research Corporation | Useful pro-drug forms of theophylline |
| US4060617A (en) * | 1976-04-01 | 1977-11-29 | Johann A. Wulfing | Esters of the ophyllinylacetic acid |
| US4085214A (en) * | 1976-10-18 | 1978-04-18 | Interx Research Corporation | Stable pro-drug forms of theophylline |
| ES8401072A1 (en) * | 1982-11-23 | 1983-12-16 | Faes | Compound 3-(1,2,3,6-tetrahydro-1,3-dimethyl-2,6-dioxopurine-7-acetyl-8-(2-phenylethyl)-1-oxa-3,8-diazaspiro-(4,5)decan-2-one and a process of preparation thereof |
| US20050026848A1 (en) * | 2003-07-31 | 2005-02-03 | Robinson Cynthia B. | Combination of dehydroepiandrosterone or dehydroepiandrosterone-sulfate with a methylxanthine derivative for treatment of asthma or chronic obstructive pulmonary disease |
| US20090285899A1 (en) * | 2003-07-31 | 2009-11-19 | Robinson Cynthia B | Combination of dehydroepiandrosterone or dehydroepiandrosterone-sulfate with a methylxanthine derivative for treatment of asthma or chronic obstructive pulmonary disease |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2729643A (en) * | 1956-01-03 | J-disubstmjied and i |
-
1974
- 1974-04-22 US US05/463,092 patent/US3935196A/en not_active Expired - Lifetime
-
1975
- 1975-01-01 AR AR258128A patent/AR205739A1/en active
- 1975-02-05 ZA ZA00750753A patent/ZA75753B/en unknown
- 1975-03-25 OA OA55450A patent/OA04909A/en unknown
- 1975-03-26 DK DK133375AA patent/DK135167B/en unknown
- 1975-03-26 NO NO751063A patent/NO751063L/no unknown
- 1975-03-27 PL PL1975179118A patent/PL93798B1/pl unknown
- 1975-03-27 NL NL7503728A patent/NL7503728A/en unknown
- 1975-03-27 FR FR7509713A patent/FR2267784A1/fr not_active Withdrawn
- 1975-03-27 DE DE19752513693 patent/DE2513693A1/en active Pending
- 1975-03-27 SE SE7503607A patent/SE7503607L/en unknown
- 1975-03-27 HU HUIE681A patent/HU169554B/hu unknown
- 1975-03-27 GB GB12906/75A patent/GB1490432A/en not_active Expired
- 1975-03-27 FI FI750939A patent/FI750939A/fi not_active Application Discontinuation
- 1975-03-27 AT AT235975A patent/AT336040B/en not_active IP Right Cessation
- 1975-03-28 BE BE154893A patent/BE827327A/en unknown
- 1975-03-28 IL IL46957A patent/IL46957A0/en unknown
- 1975-03-31 GT GT197536542A patent/GT197536542A/en unknown
- 1975-03-31 PH PH16985A patent/PH10721A/en unknown
- 1975-04-21 ES ES436781A patent/ES436781A1/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| ZA75753B (en) | 1976-03-31 |
| IL46957A0 (en) | 1975-05-22 |
| HU169554B (en) | 1976-12-28 |
| AR205739A1 (en) | 1976-05-31 |
| OA04909A (en) | 1980-10-31 |
| DK133375A (en) | 1975-10-23 |
| DK135167C (en) | 1977-08-15 |
| GT197536542A (en) | 1976-09-21 |
| AT336040B (en) | 1977-04-12 |
| SE7503607L (en) | 1975-10-23 |
| ATA235975A (en) | 1976-08-15 |
| FR2267784A1 (en) | 1975-11-14 |
| AU7958375A (en) | 1976-09-30 |
| DK135167B (en) | 1977-03-14 |
| NO751063L (en) | 1975-10-23 |
| DE2513693A1 (en) | 1975-11-13 |
| GB1490432A (en) | 1977-11-02 |
| BE827327A (en) | 1975-09-29 |
| PL93798B1 (en) | 1977-06-30 |
| PH10721A (en) | 1977-08-25 |
| US3935196A (en) | 1976-01-27 |
| NL7503728A (en) | 1975-10-24 |
| FI750939A (en) | 1975-10-23 |
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